221344984

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{10949}}^1$

素因数の和:11000

約数の個数: 48

約数和(自身を含む): 500634000

約数和(自身を除く): 279289016

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 1064, 1444, 2527, 2888, 5054, 10108, 10949, 20216, 21898, 43796, 76643, 87592, 153286, 208031, 306572, 416062, 613144, 832124, 1456217, 1664248, 2912434, 3952589, 5824868, 7905178, 11649736, 15810356, 27668123, 31620712, 55336246, 110672492, 221344984]

約数ペア:

[(1, 221344984), (2, 110672492), (4, 55336246), (7, 31620712), (8, 27668123), (14, 15810356), (19, 11649736), (28, 7905178), (38, 5824868), (56, 3952589), (76, 2912434), (133, 1664248), (152, 1456217), (266, 832124), (361, 613144), (532, 416062), (722, 306572), (1064, 208031), (1444, 153286), (2527, 87592), (2888, 76643), (5054, 43796), (10108, 21898), (10949, 20216)]